Polymeric Microring Resonator Enabling Variable Extinction Ratio
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概要
- 論文の詳細を見る
A polymeric ring resonator filter enabling electrically variable extinction ratio has been implemented, incorporating a ring waveguide coupled to a bus waveguide and an electrode which is separated from it with a gap. When an electrical power is applied to the electrode, the refractive index of the polymers underneath it is lowered through the thermo-optic effect so that the guided-mode confinement in the ring is strengthened to reduce its bending loss. Consequently, for a constant bus-to-ring coupling the attenuation depth at resonant wavelengths could be adjusted electrically. As for the achieved performance, the extinction ratio was changed by ${\sim}9$ dB for the electrical power of ${\sim}12$ mW while the corresponding bending loss was improved by ${\sim}86$ dB/cm.
- INSTITUTE OF PURE AND APPLIED PHYSICSの論文
- 2007-02-25
著者
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Song Ju-han
Department Of Electronic Engineering Kwangwoon University
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Kim Do-hwan
Department Of Electronic Engineering Kwangwoon University
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Lee Sang-shin
Department Of Electronic Engineering Kwangwoon University
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Lee Sang-Shin
Department of Electronic Engineering, Kwangwoon University, 447-1 Wolgye-Dong, Nowon-Gu, Seoul 139-701, Korea
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Song Ju-Han
Department of Electronic Engineering, Kwangwoon University, 447-1 Wolgye-Dong, Nowon-Gu, Seoul 139-701, Korea
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Kim Do-Hwan
Department of Electronic Engineering, Kwangwoon University, 447-1 Wolgye-Dong, Nowon-Gu, Seoul 139-701, Korea
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